Weatherproof armored cable



June 4, 1935. G A LSON 2,003,991

WEATHERPROOF ARMORED CABLE Filed April 1, 1933 Inventor George CaTISOfi,

* by His Attovney.

iii

Patented June 4, 1935 2,003,991 wsarnanraoor ARMOBED cum:

George Carlson, Bridgeport, Conm, assignor to General Electrlc Company, a corporation of New York Application April 1, 1933, Serial No. (01. 173-267)- '3 Claims.

v My invention relates to an improved weatherprooi armoredcable.

In connecting a. house wiring system to the for the theft of electric current.

What I consider to be novel and my invention will be better understood by reference to the fol- With lowing specification and appended claims, when considered in connection with the accompanying drawing.

In the accompanying drawing, my improved cable is shown in elevation with insulated conductors cabled together and covered an interlocked armor. The cable is provided with a moisture proof covering wholly outside the armor.

tion being made to it.

Referring to the drawing, III, II and I2 are copper conductors consistingoi strands of copper-wound together spirally to form cores. Conductors III, II and I2 Insulation l3, II and are provided with a rubber drawing, the longitudinally FICE of each other butthis is only for convenience in illustrating the cable.

'In practice, the conductors will be twisted together spirally to increase the combined conductors of paper i9, 20 are placed the flexibility oi the cable. Over l0, H and 12 two strips longitudinally, one strip overlapping the other with the open edges on opposite sides of the cable. conductors and overall paper locked armor 2| is provi vides mechanical protection the same time place of the rubber tape tory to use a paper strip 0 Over the combined insulation an interded. This armor profor the cable and at 23, it may be satisfacr other fibrous material 2 to serve as a separator. Over the layer 24 or asphaltic compound a layer I! of rubber filled tape is provided. This layer 15 prevents the asphaltic compound from adhering to any other covering which may be applied over the cable. An overall heavy cotton braid 26 is provided and may be impregnated with flameprooisaturant such as stearin *pitch. The weatherproonng of the cable is provided by the layer or asphaltic compound 24, layers II and 25 of rubberillled tape, and the fibrous cord 2! in the interstices of the spirals of armor II. It is to be noted particularly that the weatherprootlngfot the cable is provided wholly without the armor. This greatly facilitates the baring of the ends of the conductors when it is desired to connect the cable tothe power supply at one end and to'the' service switch in a house at the other end. 7 i From the foregoing it will be seen that an improved flexible weatherpl'obi" cable is provided low cost or each conductor,-a spiral interlocked armor surrubber filled tape on rounding the conductors, a cord of fibrous material in the hollow between adjacent spirals, a

the armor, a layer of asphaltic compound covering the rubber filled tape, a second rubber tilled tape located over said compound, and an overall braid impregnated with a flame proof saturant.

2. In an electric cable. a plurality of electric conductors, a covering of insulating'material for each conductor, an overall covering otpaper for the conductors, an armor surrounding the conductors, a cord of fibrous material in the hollow between adjacent spirals oi the armor, a rubber filled tape wound spirally about the armor, a layer of asphaltic compound over the tape, a second layer of rubber filled tape wound spirally over the first. and an overall cotton braid impregnated with a flameproo! saturant.

3. In an electric cable, a plurality of electric conductors, a covering 0! insulating material for a spiral armor surrounding'the conductors, a rubber filled tape on the armor, a layer of asphaltic compound covering therubber filled tape, a second rubber filled tape located over said compound,'and an overall braid impregnated with a fiameprooi saturant.

GEORGE CARLSON. 

